Access to functionalized 2-pyrones through cascade reactions of α-halothioesters involving DBU-derived ammonium ylides
Liying Chen, Huiming Di, Jian Liu, Jinfeng Zhang, Bingfu Wang, Hui Jin, Lixin Zhang
Abstract
a DBU-promoted Michael addition/lactonization/elimination cascade reaction. The reaction mechanism is tentatively elucidated by performing control experiments and high-resolution mass spectrometry analysis, which indicates that the cascade sequence may involve DBU-derived ammonium ylides.
Topics & Concepts
CascadeChemistryAmmoniumCombinatorial chemistryOrganic chemistryChromatographyCyclopropane Reaction MechanismsSynthetic Organic Chemistry MethodsSynthesis and Catalytic Reactions